IC manufacturers Texas Instruments

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Texas Instruments UCC28730 | Demoboard PMP20686

80V/50W Upside-Down Buck Reference Design

Overview

TopologyBuck Converter
Input voltage85-265 V
Output 180 V / 0.62 A
IC revisionB

Description

This UCC28730 based upside-down buck design converts a universal line input to a non-isolated 80V/50W output. An additional 12V/600mW output is produced using a UCC28880. The design achieves over 93% efficiency and consumes less than 50mW of standby power.

Features

Remark: BOM and Test-result PDF are added.

FeaturesUniversal line input 85VAC - 265VACOver 93% efficiency for low nad high line at 50WLow standby power consumption <50mW2 layer board, 1 oz copper weight, dimensions are 2.1in x 2.8in x 1inLow cost design

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